PROBLEM TO BE SOLVED: To provide a pad for a cuff member and a bonding method of a pad protrusion in which alignment of a living body implant body and a pad for a cuff member can be freely performed, and the pad can be easily mounted to the living body implant body without imposing burden on a patient and to provide a cuff member unit including the pad and cuff member.SOLUTION: The pad for a cuff member, formed by having a synthetic resin put on a cuff member, has a rear surface and a front surface opposite thereto, and has a through hole to insert a living body implant body prepared from the rear surface to the front surface, wherein a break is prepared which attains from an outer peripheral edge section of the pad to the through hole, the break is pushed to be open and a living body implant body can be taken in and out to the through hole. In the front surface, a first protrusion is prepared in one break adjoining area which meets the break, and a second protrusion is prepared in the other break adjoining area.
